Do you know to do it in the lab tomorrow?a:what b:how c:when d:where 为什么?

题目

Do you know to do it in the lab tomorrow?a:what b:how c:when d:where 为什么?

答案

Do you know【how】 to do it in the lab tomorrow?
题干中的tomorrow 排除了表时间的C.when; in the lab 排出了D where; do it 中的it 排出了A:what